#define  _CRT_SECURE_NO_WARNINGS  1
#include <stdio.h>
int main()
{
	char a[100] = { 0 };
	int i = 0, j = 0;
	while ((a[i] = getchar()) != '\n')
	{
		if (a[i] != 'a')
		{
			putchar(a[i]);
		}
		i++;
	}


	return 0;
}